Sharma, P., Thakur, P., Gupta, Y., & Dhiman, S. (2013). Effect of nitrogen, phosphorus and potassium on growth and flowering of Barleria cristata Linn. Indian Journal of Horticulture, 70(03), 442–447. Retrieved from https://journal.iahs.org.in/index.php/ijh/article/view/2109